Custome Sentry DSN environment variable

README.md

@@ -76,6 +76,12 @@ make install PREFIX=/foo
 On some operating systems, such as FreeBSD, you may have to use
 `gmake` instead of `make`.
 
+## Error tracking
+
+GitLab-Workhorse supports remote error tracking with
+[Sentry](https://sentry.io). To enable this feature set the
+GITLAB_WORKHORSE_SENTRY_DSN environment variable.
+
 ## Tests
 
 Run the tests with:

main.go

@@ -106,5 +106,9 @@ func main() {
 }
 
 func wrapRaven(h http.Handler) http.Handler {
+	// Use a custom environment variable (not SENTRY_DSN) to prevent
+	// clashes with gitlab-rails.
+	raven.SetDSN(os.Getenv("GITLAB_WORKHORSE_SENTRY_DSN"))
+
 	return http.HandlerFunc(raven.RecoveryHandler(h.ServeHTTP))
 }